【Easy to Install】 Not a Wi-Fi connection, smart flood light bulbs just support Zigbee technology(Connect to the internet via Ethernet cable, not limited by 2.4 or 5 GHz routers). Strong and stable signal, high connection reliability even adds up to 64 smart bulbs to the smart hub system. Without worry about straining your network and frequently drop offline . 30-day money-back, 3-year replacement after-sale service, UL-certified.  
 【Timmer and Schedule】Download the Sengled Home APP (iOS and Android), Preset schedule, turn on the lights before you back home at night. Set up time sleep power off from the baby room, just click your phone via the app or tell Alexa to help, life can be easier with the br30 smart bulb(This is not the color bulb).  
 【Remote Control & Dimmable】Even you are not home, you also can remotely control your smart led bulb turn on/off via phone App directly. You can create a group for your all lightbulb and easily group controls your Alexa smart bulb with your phone wherever you are. Sengled smart light bulb 2700k, save up to 80% energy. LED bulbs provide 650 lumens of soft white light. Long lifetime, the lifetime is 38,000 hours. (Can not work with dimmer switch, just can dimm via Sengled Home APP).  
 【Voice Control】Zigbee BR30 smart light bulb compatible with Alexa, Google Assistant and SmartThings. Before the family leaves the house, all the lights in the house can be turned off with a voice command(e.g: Alexa, turn off the lights). Not for sale in California.